don't trigger rebuild on config.h.in
Lately I'm seeing unecessary rebuilds because config.h.in is newer than the
./configure file. The rule to trigger on *.in files is intended for "manual"
.in files, not those from autoconf/automake. Exclude config.h.in.
diff --git a/gen_makefile.py b/gen_makefile.py
index 9847d62..77af4c7 100755
--- a/gen_makefile.py
+++ b/gen_makefile.py
@@ -167,7 +167,7 @@
return r'''
### {proj} ###
-{proj}_configure_files := $(shell find {src_proj} -name "Makefile.am" -or -name "*.in" -and -not -name "Makefile.in" )
+{proj}_configure_files := $(shell find {src_proj} -name "Makefile.am" -or -name "*.in" -and -not -name "Makefile.in" -and -not -name "config.h.in" )
{proj}_files := $(shell find {src_proj} -name "*.[hc]" -or -name "*.py" -or -name "*.cpp" -or -name "*.tpl" -or -name "*.map")
.make.{proj}.clone: